Open Question
For each of the following tRNA anticodon sequences, give the sequence of the corresponding codon sequence, the amino acid carried by the tRNA, and the corresponding DNA coding strand sequence and polarity.
3′-CCU-5′
11. Translation
Translation
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The methionine used to initiate translation is the same methionine used during translation elongation.
A
True
B
False
Verified step by step guidance1
Understand that methionine is an amino acid that plays a crucial role in the initiation of protein synthesis.
Recognize that in eukaryotes, the methionine used to initiate translation is often modified to form N-formylmethionine (fMet) in prokaryotes, which is distinct from the methionine used during elongation.
Note that the initiator methionine is brought to the ribosome by a special initiator tRNA, which is different from the tRNA used for methionine during elongation.
Consider that the structural differences between the initiator tRNA and elongator tRNA are important for the initiation process and are recognized differently by the ribosome.
Conclude that the statement is false because the methionine used to initiate translation is distinct in its form and the tRNA that carries it, compared to the methionine used during elongation.
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